Finding the Third Proportional to 2,631,821 and 5,655,116

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,821 : 5,655,116 = 5,655,116 : x
2. Step 2: Convert to fraction form
   2,631,821/5,655,116 = 5,655,116/x
3. Step 3: Cross multiply
   2,631,821x = 5,655,116 × 5,655,116
4. Step 4: Simplify right side
   2,631,821x = 31,980,336,973,456
5. Step 5: Solve for x
   x = 31,980,336,973,456/2,631,821
6. Step 6: Final answer
   x = 12,151,410.36